[Qgis-developer] Why do I get an empty attribute map when using featureAtId()

[Nathan Woodrow]

The data provider takes a list of ints as the last argument to tell which
attributes you want to return:
http://www.qgis.org/api/classQgsVectorDataProvider.html#a62ffd8535cf91556e0e5acdcc93a6d11

You should need something like this: lineProvider.featureAtId(int(i),
ftLine, True, allLineAttrs )

- Nathan
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